Death Goat is a bloody twin-stick shooter featuring hordes of brutal enemies & eardrum destroying Heavy Metal. Featuring the music of Between The Buried And Me, God Forbid, Holy Grail, Vanisher, Konkeror, Immortal Guardian, Lorelei and Ovid's Withering.
This game has a great soundtrack and is perfect for when you have half an hour of time to kill. It also has some funny features which i won't spoil for you now ;)